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Re: Decide if function is algebraic at planning phase - Pig - [mail # user]
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...There is one way you could shoe-horn this in. EvalFuncs can implement funcToArgMapping, which is built to allow functions to pick a different instance of themselves for dif...
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Author: Alan Gates,
2012-10-09, 15:10
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Re: Question about UDFs and tuple ordering - Pig - [mail # user]
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...Many operators, such as join and group by, are not implemented by a single physical operation. Also, they are spread through the code as they have logical components and ph...
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Author: Alan Gates,
2012-10-05, 18:31
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Re: Loading text file - Pig - [mail # user]
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...There is not a pre-built load function to do that. In fact I am not aware of a Hadoop InputFormat that does that. So you would first need to subclass Hadoop's FileInp...
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Author: Alan Gates,
2012-10-03, 19:47
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[PIG-2935] Catch NoSuchMethodError when StoreFuncInterface's new cleanupOnSuccess method isn't implemented. - Pig - [issue]
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...We should catch a NoSuchMethodError here so that old implementations of StoreFuncInterface still work. This will still be incompatible for people who re-compile their store functions....
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http://issues.apache.org/jira/browse/PIG-2935
Author: Alan Gates,
2012-10-02, 18:06
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Re: Using matches in generate clause? - Pig - [mail # user]
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...In Pig 0.9 boolean was not yet a first class data type, so boolean types were not allowed in foreach statements. In Pig 0.10 boolean became a first class type, so expressio...
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Author: Alan Gates,
2012-09-27, 17:38
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Re: Using matches in generate clause? - Pig - [mail # user]
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...What version of Pig are you using? Alan. On Sep 27, 2012, at 8:54 AM, James Kebinger wrote: ...
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Author: Alan Gates,
2012-09-27, 16:38
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Re: How to force the script finish the job and continue the follow script? - Pig - [mail # user]
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...'exec' will force your job to start. However, I strongly doubt this will solve your OOME problem, as some one part of your job is running out of memory. Whichever par...
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Author: Alan Gates,
2012-09-16, 16:35
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Re: access schema defined in LOAD statement in custom LoadFunc? - Pig - [mail # user]
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...Unfortunately, no. I agree we should add that to the LoadFunc interface. Alan. On Sep 15, 2012, at 1:13 AM, Jim Donofrio wrote: defines after AS in a LOAD state...
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Author: Alan Gates,
2012-09-15, 16:38
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Re: POCollectedGroup and LoadFunc indicator interface - Pig - [mail # dev]
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...You are correct, this would be better named OrderedCollectableLoadFunc. I suspect the way this happened is that this is usually used on the output of MapReduce jobs. In th...
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Author: Alan Gates,
2012-09-13, 02:57
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Re: Json and split into multiple files - Pig - [mail # user]
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...I don't understand your use case or why you need to use exec or outputSchema. Would it be possible to send a more complete example that makes clear why you need these? &nbs...
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Author: Alan Gates,
2012-09-13, 02:51
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